60 datasets found for ""Historic Maps""
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University
Rio Grande Channel, El Paso Area, 1852
Earth Data Analysis Center, University of New Mexico —
Historical map of Rio Grande river between Texas and Mexico. U.S.-Mexican Boundary Survey.The original map is a Xerox of a Photolithographic Copy of Salazar... -
Federal
Historical Woodland Density of the Conterminous United States, 1873 (Feature Layer)
Department of Agriculture —
This dataset includes polygons with a minimum of 40 acres of woodlands per square mile as depicted in William H. Brewer�s 1873 map of woodland density and covers the... -
Federal
Digital compilation of historical ice terminus positions of tidewater glaciers in Glacier Bay National Park and Preserve, Alaska
Department of the Interior —
In coastal subarctic environments such as the fjords of Southeast Alaska, tidewater glaciers can control local hydrology, climatic patterns, ecology, and geologic... -
Federal
Snap Raster used to create interpolated digital elevation models (DEMs) in the nearshore around Ship, Horn, and Petit Bois Islands, Mississippi: 1916 to 1920, 2008 to 2009 and 2016
Department of the Interior —
To characterize coastal change, historical maps and complementary records were compiled including: topographic sheets (T-sheets), hydrographic sheets (H-sheets,... -
Federal
Fractional Estimates of Multiple Exotic Annual Grass (EAG) Species in the Sagebrush Biome, USA - 2017
Department of the Interior —
This dataset release provides historical (2016 - 2023) estimates of fractional cover for Exotic Annual Grass (EAG) species and a native perennial bunch grass in the...
60 datasets found for ""Historic Maps""